/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.solr.cloud;

import static org.hamcrest.CoreMatchers.hasItem;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;

import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Properties;
import org.apache.solr.client.solrj.RemoteSolrException;
import org.apache.solr.client.solrj.impl.CloudSolrClient;
import org.apache.solr.client.solrj.request.CollectionAdminRequest;
import org.apache.solr.client.solrj.response.RequestStatusState;
import org.apache.solr.common.params.CoreAdminParams;
import org.junit.BeforeClass;
import org.junit.Test;

public class CreateCollectionCleanupTest extends SolrCloudTestCase {

  protected static final String CLOUD_SOLR_XML_WITH_10S_CREATE_COLL_WAIT =
      "<solr>\n"
          + "\n"
          + "  <str name=\"shareSchema\">${shareSchema:false}</str>\n"
          + "  <str name=\"configSetBaseDir\">${configSetBaseDir:configsets}</str>\n"
          + "  <str name=\"coreRootDirectory\">${coreRootDirectory:.}</str>\n"
          + "\n"
          + "  <shardHandlerFactory name=\"shardHandlerFactory\" class=\"HttpShardHandlerFactory\">\n"
          + "    <str name=\"urlScheme\">${urlScheme:}</str>\n"
          + "    <int name=\"socketTimeout\">${socketTimeout:90000}</int>\n"
          + "    <int name=\"connTimeout\">${connTimeout:15000}</int>\n"
          + "  </shardHandlerFactory>\n"
          + "\n"
          + "  <solrcloud>\n"
          + "    <str name=\"host\">127.0.0.1</str>\n"
          + "    <int name=\"hostPort\">${hostPort:8983}</int>\n"
          + "    <int name=\"zkClientTimeout\">${solr.zookeeper.client.timeout:30000}</int>\n"
          + "    <int name=\"leaderVoteWait\">10000</int>\n"
          + "    <int name=\"distribUpdateConnTimeout\">${distribUpdateConnTimeout:45000}</int>\n"
          + "    <int name=\"distribUpdateSoTimeout\">${distribUpdateSoTimeout:340000}</int>\n"
          + "    <int name=\"createCollectionWaitTimeTillActive\">${createCollectionWaitTimeTillActive:10}</int>\n"
          + "  </solrcloud>\n"
          + "  \n"
          + "</solr>\n";

  @BeforeClass
  public static void createCluster() throws Exception {
    configureCluster(1)
        .addConfig(
            "conf1", TEST_PATH().resolve("configsets").resolve("cloud-minimal").resolve("conf"))
        .withSolrXml(CLOUD_SOLR_XML_WITH_10S_CREATE_COLL_WAIT)
        .configure();
  }

  @Test
  public void testCreateCollectionCleanup() throws Exception {
    final CloudSolrClient cloudClient = cluster.getSolrClient();
    String collectionName = "foo";
    assertThat(CollectionAdminRequest.listCollections(cloudClient), not(hasItem(collectionName)));
    // Create a collection that would fail
    CollectionAdminRequest.Create create =
        CollectionAdminRequest.createCollection(collectionName, "conf1", 1, 1);

    Properties properties = new Properties();
    Path tmpDir = createTempDir();
    tmpDir = tmpDir.resolve("foo");
    Files.createFile(tmpDir);
    properties.put(CoreAdminParams.DATA_DIR, tmpDir.toString());
    create.setProperties(properties);
    expectThrows(
        RemoteSolrException.class,
        () -> {
          create.process(cloudClient);
        });

    // Confirm using LIST that the collection does not exist
    assertThat(
        "Failed collection is still in the clusterstate: "
            + cluster.getSolrClient().getClusterState().getCollectionOrNull(collectionName),
        CollectionAdminRequest.listCollections(cloudClient),
        not(hasItem(collectionName)));
  }

  @Test
  public void testAsyncCreateCollectionCleanup() throws Exception {
    final CloudSolrClient cloudClient = cluster.getSolrClient();
    String collectionName = "foo2";
    assertThat(CollectionAdminRequest.listCollections(cloudClient), not(hasItem(collectionName)));

    // Create a collection that would fail
    CollectionAdminRequest.Create create =
        CollectionAdminRequest.createCollection(collectionName, "conf1", 1, 1)
            .setPerReplicaState(random().nextBoolean());

    Properties properties = new Properties();
    Path tmpDir = createTempDir();
    tmpDir = tmpDir.resolve("foo");
    Files.createFile(tmpDir);
    properties.put(CoreAdminParams.DATA_DIR, tmpDir.toString());
    create.setProperties(properties);
    create.setAsyncId("testAsyncCreateCollectionCleanup");
    create.process(cloudClient);
    RequestStatusState state =
        AbstractFullDistribZkTestBase.getRequestStateAfterCompletion(
            "testAsyncCreateCollectionCleanup", 30, cloudClient);
    assertThat(state.getKey(), is("failed"));

    // Confirm using LIST that the collection does not exist
    assertThat(
        "Failed collection is still in the clusterstate: "
            + cluster.getSolrClient().getClusterState().getCollectionOrNull(collectionName),
        CollectionAdminRequest.listCollections(cloudClient),
        not(hasItem(collectionName)));
  }
}
